Accessories for chainsaws with this multifunctional tool you always have the right tool at hand features 1 screwdriver to adjust the chain tension t27 internal star wrench for all screws on stihl saws 1 screwdriver for chain oil mixture adjustment sw 4 internal hexagon for echo and husqvarna saws sw 13 wrench reversible pipe wrench sw 19 sw 16 for spark plugs on all saws includes polyamide bag nylon for attachment to the hosiery belt also usable as a file handle